Feature: 1. VOLTAGE AND POWER: Generator voltage regulator, input power voltage is 170‑277V, maximum power is 30W, with a wide scope of application. 2. HIGH INSULATION: The voltage regulator has good insulation, can maintain high reliability under harsh environment and high vibration level. 3. GOOD PERFORMANCE: The generator automatic voltage governor has high accuracy, wide operating temperature range, small drift and good stability. 4. EXCELLENT CAPACITOR: The voltage regulator adopts excellent capacitor, with good parameter consistency, which is convenient and practical. 5. DURABLE MATERIAL: The voltage regulator is made of excellent ABS and brass, with corrosion resistance, aging resistance and good conductivity. Specification: Item Type: Voltage Regulator Model: M40FA640AA Operating Temperature: -30-70℃ Power: 30W (Maximum) Maximum Continuous Field Current: 8A Maximum Forced Field Current: (1 minute) 15A Field Resistance: 3.5-20Ω Adjustment Accuracy: ±0.5% (Steady state conditions, ratings, balanced and undeformed loads, constant frequencies) Thermal Drift: ±0.5% Response Time: 1 cycle (20ms-16.6ms). Package List: 1 x Voltage Regulator 1 x User Manual Note: Pay attention to safety when using and installing.